constructor execution sequence, C#

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//Rextester.Program.Main is the entry point for your code. Don't change it.
//Compiler version 4.0.30319.17929 for Microsoft (R) .NET Framework 4.5

/*using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;

{
    public class Program
    {
        public static void Main(string[] args)
        {
            //Your code goes here
            Console.WriteLine("Hello, world!");
        }
    }
*/
using System;
namespace Rextester
{
    public class parent
    {
        public parent()
        {
            Console.WriteLine("P- constructor");
        }
        ~parent()
        {
            Console.WriteLine("P- destructor");
        }
    }
    public class testclass : parent
    {
        public string testvar;
        public testclass()
        {
            Console.WriteLine("Child constructor");
        }
        public void print1 (string testprint)
        {
            Console.WriteLine("String : {0}", testprint);
        }
         ~testclass()
        {
            Console.WriteLine("child destructor");        
        }
            
        
    }
    
    public class Program
    {
        public static void Main (string [] args)
        {
            testclass testclassobj = new testclass ();
            testclassobj.print1("testing");
        }
    }
}

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Compilation time: 0,12 sec, absolute running time: 0,09 sec, cpu time: 0,08 sec, average memory usage: 13 Mb, average nr of threads: 3